Ejemplo n.º 1
0
    def test_load_old_pending_puts(self):
        # pending puts from pre-storage-policy account brokers won't contain
        # the storage policy index
        tempdir = mkdtemp()
        broker_path = os.path.join(tempdir, 'test-load-old.db')
        try:
            broker = AccountBroker(broker_path, account='real')
            broker.initialize(Timestamp(1).internal)
            with open(broker_path + '.pending', 'a+b') as pending:
                pending.write(':')
                pending.write(
                    pickle.dumps(
                        # name, put_timestamp, delete_timestamp, object_count,
                        # bytes_used, deleted
                        ('oldcon', Timestamp(200).internal,
                         Timestamp(0).internal, 896, 9216695, 0
                         )).encode('base64'))

            broker._commit_puts()
            with broker.get() as conn:
                results = list(
                    conn.execute('''
                    SELECT name, storage_policy_index FROM container
                '''))
            self.assertEqual(len(results), 1)
            self.assertEqual(dict(results[0]), {
                'name': 'oldcon',
                'storage_policy_index': 0
            })
        finally:
            rmtree(tempdir)
Ejemplo n.º 2
0
    def test_load_old_pending_puts(self):
        # pending puts from pre-storage-policy account brokers won't contain
        # the storage policy index
        tempdir = mkdtemp()
        broker_path = os.path.join(tempdir, 'test-load-old.db')
        try:
            broker = AccountBroker(broker_path, account='real')
            broker.initialize(Timestamp(1).internal)
            with open(broker_path + '.pending', 'a+b') as pending:
                pending.write(':')
                pending.write(pickle.dumps(
                    # name, put_timestamp, delete_timestamp, object_count,
                    # bytes_used, deleted
                    ('oldcon', Timestamp(200).internal,
                     Timestamp(0).internal,
                     896, 9216695, 0)).encode('base64'))

            broker._commit_puts()
            with broker.get() as conn:
                results = list(conn.execute('''
                    SELECT name, storage_policy_index FROM container
                '''))
            self.assertEqual(len(results), 1)
            self.assertEqual(dict(results[0]),
                             {'name': 'oldcon', 'storage_policy_index': 0})
        finally:
            rmtree(tempdir)
Ejemplo n.º 3
0
    def test_half_upgraded_database(self, tempdir):
        db_path = os.path.join(tempdir, 'account.db')
        ts = itertools.count()
        ts = (Timestamp(t).internal for t in itertools.count(int(time())))

        broker = AccountBroker(db_path, account='a')
        broker.initialize(ts.next())

        self.assertTrue(broker.empty())

        # add a container (to pending file)
        broker.put_container('c', ts.next(), 0, 0, 0, POLICIES.default.idx)

        real_get = broker.get
        called = []

        @contextmanager
        def mock_get():
            with real_get() as conn:

                def mock_executescript(script):
                    if called:
                        raise Exception('kaboom!')
                    called.append(script)

                conn.executescript = mock_executescript
                yield conn

        broker.get = mock_get

        try:
            broker._commit_puts()
        except Exception:
            pass
        else:
            self.fail('mock exception was not raised')

        self.assertEqual(len(called), 1)
        self.assert_('CREATE TABLE policy_stat' in called[0])

        # nothing was commited
        broker = AccountBroker(db_path, account='a')
        with broker.get() as conn:
            try:
                conn.execute('SELECT * FROM policy_stat')
            except sqlite3.OperationalError as err:
                self.assert_('no such table: policy_stat' in str(err))
            else:
                self.fail('half upgraded database!')
            container_count = conn.execute(
                'SELECT count(*) FROM container').fetchone()[0]
            self.assertEqual(container_count, 0)

        # try again to commit puts
        self.assertFalse(broker.empty())

        # full migration successful
        with broker.get() as conn:
            conn.execute('SELECT * FROM policy_stat')
            conn.execute('SELECT storage_policy_index FROM container')
Ejemplo n.º 4
0
    def test_half_upgraded_database(self, tempdir):
        db_path = os.path.join(tempdir, 'account.db')
        ts = itertools.count()
        ts = (Timestamp(t).internal for t in itertools.count(int(time())))

        broker = AccountBroker(db_path, account='a')
        broker.initialize(ts.next())

        self.assertTrue(broker.empty())

        # add a container (to pending file)
        broker.put_container('c', ts.next(), 0, 0, 0,
                             POLICIES.default.idx)

        real_get = broker.get
        called = []

        @contextmanager
        def mock_get():
            with real_get() as conn:

                def mock_executescript(script):
                    if called:
                        raise Exception('kaboom!')
                    called.append(script)

                conn.executescript = mock_executescript
                yield conn

        broker.get = mock_get

        try:
            broker._commit_puts()
        except Exception:
            pass
        else:
            self.fail('mock exception was not raised')

        self.assertEqual(len(called), 1)
        self.assert_('CREATE TABLE policy_stat' in called[0])

        # nothing was committed
        broker = AccountBroker(db_path, account='a')
        with broker.get() as conn:
            try:
                conn.execute('SELECT * FROM policy_stat')
            except sqlite3.OperationalError as err:
                self.assert_('no such table: policy_stat' in str(err))
            else:
                self.fail('half upgraded database!')
            container_count = conn.execute(
                'SELECT count(*) FROM container').fetchone()[0]
            self.assertEqual(container_count, 0)

        # try again to commit puts
        self.assertFalse(broker.empty())

        # full migration successful
        with broker.get() as conn:
            conn.execute('SELECT * FROM policy_stat')
            conn.execute('SELECT storage_policy_index FROM container')